S
M
T
W
T
F
S
29
50°
23°
30
45°
21°
1
45°
22°
2
48°
17°
3
47°
24°
4
46°
26°
5
54°
31°
6
54°
24°
7
45°
21°
8
45°
22°
9
46°
16°
10
42°
19°
11
42°
21°
12
51°
23°
13
47°
18°
14
41°
21°
15
45°
22°
16
47°
20°
17
45°
20°
18
49°
26°
19
48°
25°
20
51°
17°
21
42°
18°
22
40°
13°
23
40°
16°
24
39°
15°
25
43°
14°
26
50°
23°
27
41°
16°
28
43°
20°
29
Hist. Avg.
47°
18°
30
Hist. Avg.
47°
18°
31
Hist. Avg.
47°
18°
1
Hist. Avg.
47°
18°
2
Hist. Avg.
48°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Denver
Denver's December 2026 forecast shows daily high temperatures ranging from 39° to 54°, with overnight lows between 13° and 31°. The average high for December is 46° with an average low of 20°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Denver. See also: January | February | March.
